AT85C51SND3Bx
Registers
Table 89. WDTRST Register
WDTRST (0.A6h Write only) – Watchdog Timer Reset Register
7
6
5
4
3
2
1
0
-
-
-
-
-
-
-
-
Bit
Bit
Number
Mnemonic Description
7-0
-
Watchdog Control Value
Reset Value = XXXX XXXXb
Table 90. WDTPRG Register
WDTPRG (0.A7h) – Watchdog Timer Program Register
7
6
5
4
3
2
1
0
-
-
-
-
-
WTO2
WTO1
WTO0
Bit
Bit
Number
Mnemonic Description
Reserved
7-3
2-0
-
The value read from these bits is indeterminate. Do not set these bits.
Watchdog Timer Time-Out Selection Bits
WTO2:0
Refer to Table 88 for time-out periods.
Reset Value = XXXX X000b
77
7632A–MP3–03/06